package cn.tedu.sp02.item.controller;

import cn.tedu.sp01.entity.Item;
import cn.tedu.sp01.service.ItemService;
import cn.tedu.web.util.JsonResult;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Random;

@Slf4j
@RestController
public class ItemController {
    @Autowired
    private ItemService itemService;

    //直接用浏览器访问测试
    @GetMapping("/{orderId}")
    public JsonResult<List<Item>> getItems(
            @PathVariable String orderId) throws InterruptedException {
        List<Item> items = itemService.getItems(orderId);

        //随机阻塞,90%概率执行阻塞代码
        if(Math.random() < 0.9){
            //随机延迟时长,0到5秒
            int t = new Random().nextInt(5000);
            log.info("延迟: "+t);
            Thread.sleep(t);
        }

        return JsonResult.ok().data(items);
    }

    /**
     * @RequestBody 完整接收
     * */

    //用postman测试post测试
    @PostMapping("/decreaseNumber")
    public JsonResult<?> decreaseNumber(
            @RequestBody List<Item> items){
        itemService.decreaseNumber(items);
        return JsonResult.ok().msg("减少库存成功");
    }
    @GetMapping("/favicon.ico")
    public void ico(){
    }
}
